3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $myarray['myuser-myform']['myfile']="test"; $parts = explode("-",key($myarray)); printf("%s",$parts[0]); ?>
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
myuser